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bailoutOnAlreadyFinishedWork() — react Function Reference

Architecture documentation for the bailoutOnAlreadyFinishedWork() function in ReactFiberBeginWork.js from the react codebase.

Function javascript BabelCompiler Validation calls 1 called by 7

Entity Profile

Dependency Diagram

graph TD
  6cb202e6_76dc_0479_ff31_d0ef23610882["bailoutOnAlreadyFinishedWork()"]
  0be70812_cc0c_b210_f84f_8e61dd5f831c["ReactFiberBeginWork.js"]
  6cb202e6_76dc_0479_ff31_d0ef23610882 -->|defined in| 0be70812_cc0c_b210_f84f_8e61dd5f831c
  f3abfeea_868f_5c8e_9744_74c9973ded12["updateForwardRef()"]
  f3abfeea_868f_5c8e_9744_74c9973ded12 -->|calls| 6cb202e6_76dc_0479_ff31_d0ef23610882
  a032b50f_d1ac_c367_9f15_394d8f0023c1["updateMemoComponent()"]
  a032b50f_d1ac_c367_9f15_394d8f0023c1 -->|calls| 6cb202e6_76dc_0479_ff31_d0ef23610882
  d5867db8_c86c_35f1_776d_f9f063826e18["updateSimpleMemoComponent()"]
  d5867db8_c86c_35f1_776d_f9f063826e18 -->|calls| 6cb202e6_76dc_0479_ff31_d0ef23610882
  50e17875_d138_1098_df3a_5e5668c9be3d["updateFunctionComponent()"]
  50e17875_d138_1098_df3a_5e5668c9be3d -->|calls| 6cb202e6_76dc_0479_ff31_d0ef23610882
  dfac1880_449a_ca3a_3037_ca7205fa8fa7["replayFunctionComponent()"]
  dfac1880_449a_ca3a_3037_ca7205fa8fa7 -->|calls| 6cb202e6_76dc_0479_ff31_d0ef23610882
  fec6f182_8acb_a259_b114_e6d1db8ac64b["finishClassComponent()"]
  fec6f182_8acb_a259_b114_e6d1db8ac64b -->|calls| 6cb202e6_76dc_0479_ff31_d0ef23610882
  53f55fda_e2b6_2801_4fbc_525f8828d23d["updateHostRoot()"]
  53f55fda_e2b6_2801_4fbc_525f8828d23d -->|calls| 6cb202e6_76dc_0479_ff31_d0ef23610882
  67acc598_7202_395c_2c4c_b3d6de49d490["cloneChildFibers()"]
  6cb202e6_76dc_0479_ff31_d0ef23610882 -->|calls| 67acc598_7202_395c_2c4c_b3d6de49d490
  style 6cb202e6_76dc_0479_ff31_d0ef23610882 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-reconciler/src/ReactFiberBeginWork.js lines 3762–3801

function bailoutOnAlreadyFinishedWork(
  current: Fiber | null,
  workInProgress: Fiber,
  renderLanes: Lanes,
): Fiber | null {
  if (current !== null) {
    // Reuse previous dependencies
    workInProgress.dependencies = current.dependencies;
  }

  if (enableProfilerTimer) {
    // Don't update "base" render times for bailouts.
    stopProfilerTimerIfRunning(workInProgress);
  }

  markSkippedUpdateLanes(workInProgress.lanes);

  // Check if the children have any pending work.
  if (!includesSomeLane(renderLanes, workInProgress.childLanes)) {
    // The children don't have any work either. We can skip them.
    // TODO: Once we add back resuming, we should check if the children are
    // a work-in-progress set. If so, we need to transfer their effects.

    if (current !== null) {
      // Before bailing out, check if there are any context changes in
      // the children.
      lazilyPropagateParentContextChanges(current, workInProgress, renderLanes);
      if (!includesSomeLane(renderLanes, workInProgress.childLanes)) {
        return null;
      }
    } else {
      return null;
    }
  }

  // This fiber doesn't have work, but its subtree does. Clone the child
  // fibers and continue.
  cloneChildFibers(current, workInProgress);
  return workInProgress.child;
}

Domain

Subdomains

Defined In

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Called By

Source

Frequently Asked Questions

What does bailoutOnAlreadyFinishedWork() do?
bailoutOnAlreadyFinishedWork() is a function in the react codebase, defined in packages/react-reconciler/src/ReactFiberBeginWork.js.
Where is bailoutOnAlreadyFinishedWork() defined?
bailoutOnAlreadyFinishedWork() is defined in packages/react-reconciler/src/ReactFiberBeginWork.js at line 3762.
What does bailoutOnAlreadyFinishedWork() call?
bailoutOnAlreadyFinishedWork() calls 1 function(s): cloneChildFibers.
What calls bailoutOnAlreadyFinishedWork()?
bailoutOnAlreadyFinishedWork() is called by 7 function(s): finishClassComponent, replayFunctionComponent, updateForwardRef, updateFunctionComponent, updateHostRoot, updateMemoComponent, updateSimpleMemoComponent.

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